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Weather forecasts and information for all of Loudoun County, Virginia. Including Leesburg, Aldie, Waterford, Ashburn, Sterling, Dulles, Hamilton, Purcellville, South Riding. Loudoun Weather is your source for Loudoun County weather forecasts, weather radar and more.

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Loudoun County Weather Outlook for Thursday, August 21, 2025

Posted on August 21, 2025August 21, 2025 By admin No Comments on Loudoun County Weather Outlook for Thursday, August 21, 2025
8/21/2025
Breezy Today with a Slight Shower Chance
We're feeling some indirect impacts from Hurricane Erin, which remains well offshore but is causing rough coastal conditions. Locally, just a slight chance of a shower early today with breezy winds!

☀️ Gorgeous Friday Ahead
Sunny skies and highs in the low 80s

🌤️ Warmer Saturday with a Storm Chance
Saturday brings highs in the low to mid 80s with a chance of an afternoon or evening shower or thunderstorm.

⛈️ Stormier Sunday
Sunday features a good chance of showers and storms with high reaching the low 80s.

🌞 Beautiful Monday and Beyond
Monday will be near 80°F, but even better weather arrives midweek, with sunshine and highs in the mid to upper 70s under sunny skies!

The forecast:
Today: Hi 73 🌦️20% Lo 61 🌙 – Mostly cloudy with a slight chance of an early shower

Friday: Hi 82 🌞 Lo 60 🌙 – Sunny and pleasant

Saturday: Hi 83 🌦️30% Lo 64 🌧️30% – Sunny with a slight chance of late-day showers and storms, continuing overnight

Sunday: Hi 82 ⛈️70% Lo 64 🌧️60% – Mostly cloudy with a likely chance of afternoon showers and storms

Monday: Hi 81 🌞 Lo 57 🌙 – Mostly sunny

Tuesday: Hi 76 🌞 Lo 53 🌙 – Sunny and really nice!

Wednesday: Hi 74 🌞️ Lo 51 🌙 – Sunny (could reach 40s at night!)

#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather

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